Document return values of putenv and setenv

[BZ #10153]
	* manual/startup.texi (Environment Access): Describe return
	value for putenv and setenv.
This commit is contained in:
Andreas Jaeger 2012-04-08 19:43:41 +02:00
parent 7216225a73
commit 6ab0fbfc84
3 changed files with 20 additions and 9 deletions

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@ -1,5 +1,9 @@
2012-04-08 Andreas Jaeger <aj@suse.de>
[BZ #10153]
* manual/startup.texi (Environment Access): Describe return value
for putenv and setenv.
[BZ #6895]
* manual/filesys.texi (Directory Entries): Add description for
DT_LNK.

18
NEWS
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@ -12,15 +12,15 @@ Version 2.16
174, 350, 369, 411, 2541, 2547, 2548, 2551, 2552, 2553, 2554, 2562, 2563,
2565, 2566, 2576, 2678, 3335, 3866, 3868, 3976, 3992, 4026, 4108, 4596,
4822, 5077, 5461, 5805, 5993, 6471, 6486, 6578, 6649, 6730, 6770, 6884,
6890, 6895, 6907, 6911, 9739, 9902, 10110, 10135, 10140, 10210, 10346,
10545, 10716, 11174, 11322, 11365, 11451, 11494, 12047, 12340, 13058,
13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532, 13533, 13547,
13551, 13552, 13553, 13555, 13559, 13566, 13583, 13592, 13618, 13637,
13656, 13658, 13673, 13691, 13695, 13704, 13706, 13726, 13738, 13760,
13761, 13786, 13792, 13806, 13824, 13840, 13841, 13844, 13846, 13851,
13852, 13854, 13871, 13879, 13883, 13892, 13895, 13908, 13910, 13911,
13912, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13926,
13928, 13938
6890, 6895, 6907, 6911, 9739, 9902, 10110, 10135, 10140, 10153, 10210,
10346, 10545, 10716, 11174, 11322, 11365, 11451, 11494, 12047, 12340,
13058, 13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532, 13533,
13547, 13551, 13552, 13553, 13555, 13559, 13566, 13583, 13592, 13618,
13637, 13656, 13658, 13673, 13691, 13695, 13704, 13706, 13726, 13738,
13760, 13761, 13786, 13792, 13806, 13824, 13840, 13841, 13844, 13846,
13851, 13852, 13854, 13871, 13879, 13883, 13892, 13895, 13908, 13910,
13911, 13912, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921,
13926, 13928, 13938
* ISO C11 support:

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@ -335,6 +335,9 @@ definition is added to the environment. Otherwise, the @var{string} is
interpreted as the name of an environment variable, and any definition
for this variable in the environment is removed.
If the function is successful it returns @code{0}. Otherwise the return
value is nonzero and @code{errno} is set to indicate the error.
The difference to the @code{setenv} function is that the exact string
given as the parameter @var{string} is put into the environment. If the
user should change the string after the @code{putenv} call this will
@ -364,6 +367,10 @@ the old entry is replaced by the new one.
Please note that you cannot remove an entry completely using this function.
If the function is successful it returns @code{0}. Otherwise the
environment is unchanged and the return value is @code{-1} and
@code{errno} is set.
This function was originally part of the BSD library but is now part of
the Unix standard.
@end deftypefun